AirHint found the following cheapest return flights from Seoul (ICN) to San Francisco (SFO) in June 2026 (see full year).

Return flights

01 Jun - 07 Jun	Air Premia	direct
01 Jun - 08 Jun	United	direct
05 Jun - 14 Jun	Korean Air	direct
05 Jun - 13 Jun	Delta
06 Jun - 12 Jun	Delta	direct
06 Jun - 13 Jun	Delta
07 Jun - 12 Jun	Delta	direct
05 Jun - 12 Jun	Delta
07 Jun - 14 Jun	Delta	direct
05 Jun - 06 Jun	Delta
08 Jun - 08 Jul	Air Canada
29 Jun - 27 Jul	Air Canada
29 Jun - 29 Jul	Air Canada
24 Jun - 14 Jul	Air Canada
29 Jun - 11 Jul	Air Canada
26 Jun - 05 Jul	Air Canada
28 Jun - 10 Jul	Air Canada
29 Jun - 27 Jul	Air Premia	direct
29 Jun - 29 Jul	Air Premia	direct
08 Jun - 08 Jul	Air Premia	direct

Also check the deals for one-way flights from Seoul to San Francisco in June.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Seoul to San Francisco in June from $447

Return flights